Millions of Britons began voting today in the historic referendum that will decide whether the UK will stay in or leave the 28-nation bloc after an acrimonious campaign.
The last poll tracker of 'The Daily Telegraph' and a YouGov poll for'The Times' showed 'Remain' at 51 per cent and 'Leave' at 49 per cent.
Consequently, shares of Tata Motors, which gets a major part of its revenue from the UK, surged 3.28 per cent to Rs 488. Other companies with exposure to Britain also saw revival in buying after selling in yesterday's trade. Bharat Forge, Hindalco and Infosys gained up to 2.03 per cent.
The rupee surging by more than 24 paise against the American currency also helped.
After moving in a tight range initially, the Sensex tended to look up in step with a firm global trend and recaptured the 27,000-mark to hit a high of 27,060.98. The gauge finally ended 236.57 points or 0.88 per cent higher at 27,002.22 -- its highest closing since June 8.
Meanwhile, RBI is keeping a watch on Brexit developments and will take necessary steps including liquidity support to ensure orderly conditions in the financial markets.
Sebi and stock exchanges have also beefed up mechanism to deal with any excessive volatility.
In the UK, FTSE 100 edged higher by 1.64 per cent ahead of the outcome of landmark British referendum dubbed 'Brexit'. Other indices from the continent like France's CAC and Germany's DAX rose by 2.00 per cent to 2.20 per cent.
Major losers were Lupin (2.59 pc), Infy (1.46 pc), Power Grid (1.46 pc), Tata Steel (1.17 pc), Tata Motors (0.89 pc), GAIL (0.83 pc) and Sun Pharma (0.81 pc).
However, index heavyweight RIL was up 1.41 per cent at Rs 1,102.95 followed by Dr Reddy's 1.05 per cent, TCS 0.83 per cent, HDFC 0.54 per cent, HDFC Bank 0.42 per cent and ONGC 0.40 per cent.
In retail segment, the BSE mid-cap index rose 0.28 per cent while small-cap gained 0.08 per cent.
Among BSE sectoral indices, Bankex dropped 1.23 per cent, Utilities 0.67 per cent, Power 0.61 per cent, Telecom 0.43 per cent, Finance 0.41 per cent, Teck 0.37 per cent and Healthcare 0.36 per cent, while Realty rose 1.01 per cent followed by Energy 0.93 per cent and oil&gas 0.74 per cent.
The total turnover on BSE rose to Rs 3,871.71 crore from Rs 3,311.63 yesterday.
